<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  
  <div id="app"></div>

  <script src="../js/vue.js"></script>
  <script>
    Vue.createApp({
      template: `<h2>你好啊, 李银河</h2>`
    }).mount("#app");
  </script>
</body>
</html>